U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Multi-player video game with cooperative mode and competition mode

Patent 5405151 Issued on April 11, 1995. Estimated Expiration Date: Icon_subject November 18, 2013. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

Re33662

Television display control apparatus
Patent #: 4026555
Issued on: 05/31/1977
Inventor: Kirschner ,   et al.

Apparatus for scrolling a video display
Patent #: 4445114
Issued on: 04/24/1984
Inventor: Stubben

Image matching video game
Patent #: 4508353
Issued on: 04/02/1985
Inventor: Meyer ,   et al.

Domino, or the like, placing video game
Patent #: 4530499
Issued on: 07/23/1985
Inventor: Breslow ,   et al.

Video game in which a host image repels ravenous images by serving filled vessels
Patent #: 4643421
Issued on: 02/17/1987
Inventor: Meyer ,   et al.

Pipelined, line buffered real-time color graphics display system
Patent #: 4658247
Issued on: 04/14/1987
Inventor: Gharachorloo

Multi-player, multi-character cooperative play video game with independent player entry and departure
Patent #: 4738451
Issued on: 04/19/1988
Inventor: Logg

Non hand-held toy
Patent #: 5090708
Issued on: 02/25/1992
Inventor: Gerlitz, et al.

Hand held video game with simulated battle against aliens
Patent #: 5120057
Issued on: 06/09/1992
Inventor: Kitaue

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Inventors

Assignee

Application

No. 154887 filed on 11/18/1993

US Classes:

463/31, Visual (e.g., enhanced graphics, etc.)345/684Scrolling

Examiners

Primary: Harrison, Jessica J.

Attorney, Agent or Firm

Foreign Patent References

  • 2245186 GB. 01/08/1992

International Class

A63F 009/22

Abstract

A method is provided for controlling the motion of two game characters in a video game for use in a system which includes a video display screen, a user-controlled graphics controller, digital memory, a first user input device and a second user input device; wherein movement of the first game character is responsive to the first user input device and movement of the second game character is responsive to the second user input device; wherein the video game involves the game characters traversing a playfield which is displayed as a series of video screen images, the method comprising the steps of: providing a succession of game character movement commands to the first user input device in order to control the movement of the first game character through the playfield; displaying a succession of movements of the first character within the playfield in response to the succession of commands provided to the first user input device; storing the succession of commands provided to the first user input device in the digital memory; and displaying a succession of movements of the second character through the playfield in response to the succession of stored commands.

Other References

  • Sega Game Instruction Manual for the "Toejam & Earl" video game cartridge for use in the Sega Game Syste
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